MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier with high confidence. It contains numerous embedded URLs pointing to a link farm hosted on disposable domains, a common tactic for phishing or distributing further malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically identifies this pattern, suggesting the document's primary purpose is to redirect users through a series of potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://virtualcharityevents.com/vce_cake/files/files/libavup.pdf In PDF document text
- http://strahovka66.ru/userfiles/file/wuxowegebepepixex.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///xekulelunujonez.pdfIn PDF document text
- https://charterboatdeliverance.com/uploads/files/zonoxijivofogefoxij.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/73690415172.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/13032611512.pdfIn PDF document text
- https://olterus.org/contents/files/vugawigutajosu.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/xoribilezevutoful.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/vogonexurobejo.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0c0ad681c---54032757669.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/zukovututopujep.pdfIn PDF document text
- http://gaushalango.com/uploaded_files/userfiles/files/gixuguwiwamiwuwurunad.pdfIn PDF document text
- http://runhouchem.com/upload/files/rirojubozugukagav.pdfIn PDF document text
- http://landroverbh.com/ckfinder/userfiles/files/binisinuduvikurowuf.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/1230499995.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/19028266175.pdfIn PDF document text
- http://buren-kompanie.de/userfiles/files/nimamumuvufubogezu.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/sonomiwowirobelujemik.pdfIn PDF document text
- http://thebankcardservice.com/uploads/files/66075756500.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afe973f79e---xowiginixugurulud.pdfIn PDF document text
- https://ladangmimpi.com/contents/files/kekowuxi.pdfIn PDF document text
- https://toscanafantastica.com/userfiles/file/74185971157.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/56943340211.pdfIn PDF document text
- https://investincarpathians.eu/app/webroot/media/files/nuxedofoxoluderowij.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=slither+io+lagsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000deb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB4 | 10356 bytes |
SHA-256: 2f1f87e73e1cf69621050167922e856cbfded9428b2123a3c4bc015fce961546 |
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font_01_sfnt_off0000f630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF630 | 19668 bytes |
SHA-256: 72ba7f1c628a5040574707163cda8f5e10d38f95ed765f183a6204d4c168f06e |
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font_02_sfnt_off0001298c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1298C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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